Mathcad

As per this thread, same issue:   Hello, Did you have a fix on this issue? Facing same issue but no response from anyone and couldn't find this topic troubleshooting anywhere.

HiI'm converting Mathcad 15 sheets to Prime 7 and I noted thatsome division lines are very faint (but not all). Picture as attached. Is these some way to get a clear black division line to all formulas? Thanks for advice!

Hi, the "solution" shown below is obviously wrong. Any help is appreciated! 

Implement a function warning that (optionally) highlights a Math Region and displays a message when the user either hovers over or the region or clicks on it. The function would be akin to the existing function error except that, unlike the latter, warning would not halt worksheet evaluation.     It's something I've often felt would improve a function's usability.  It might also have proved useful for highlighting the effects of partial application (and thus mitigating the need to remove it on the grounds that it confused some users).    Here's a rough example of warning's potential use:     Zoom in to display     Warning and error history - just another thought ...     Maybe a function Notifications that presents a list of warnings and errors together with the identity of whatever raised the error/warning?  Mathcad Monads ...   Stuart

Hi Mathcad-Community,I am running into the following error not able to debug it. First I though, that I might have a unit mismatch but after rechecking, everything seems to be consisten so far. What is the cause for the error?

Hi. Please solve this.This is solving complex numbers 

New release date for Mathcad Prime 7.0:    

  Whilst playing around trying to write a function to remove text rows from a mixed string/numeric matrix (*), I discovered that the undocumented (but very useful) function fold doesn't just work on vectors but also works on matrices, scanning down each column in turn, in the normal Mathcad fashion.   This behaviour opens up the possibility of some straightforward implementations of useful functions, such as converting a (potentially arbitrarily nested) array into a vector and summing the elements of an array.   Here are some Mathcad Express 7 functions.         Or we could define matsum to sum just the numeric elements of an array.     Alternatively, we could shift the burden of removing non-numbers to a specialized version of vec.     We can even count the elements in nested arrays.     The full version of Mathcad Prime allows the user to write programs to create functions.  This facility opens up the possibi

Hi everyone,I am currently trying to solve a differential equation in Mathcad. However, after watching a bunch of Youtube-Tutorials on how to use the solve-block with ODEs, I am still not able to get the result.  What am I doing wrong? Your help is much appreciated 🙂 greetingsnerphan

Hello   Does anybody know how to calculate sum of the function P(r) ?   Thanks a lot 🙂    

Hi allI have a mechanical problem, but i don't a have a mathematical skill to solve it, I hope that someone could help me👃in first, see simplified drawing: in yellow box , is a winch wire betwen winch and pulley (steel cable,the length is low, the elongation can be a constant, maybe )pulley connected to ground with springwire betwen mechanical elbow and pulley (steel cable,the length is high, i need to use Hooke's law for evaluate elongation, and correct this to calculate good Lw parameter)mechanical elbowmechanical load mg ( for simplify what happens in mechanicel elbow, we consider un traction forces on wire node at elbow)At t0 system at rest  : it is as if the spring is a barAt t1, the winch pulls to make an ordered value for alpha Find Lw according to alpha angle, the object of the game is that the winch gives a Lw length which allows to maintain alpha angle according to the instructions (angle ordered) What i feel : variable is a function f(x)=k(x) , here

I can't get this to do anything. It's such a piece of junk.Does this actually work? Won't find anything - won't replace (Text or Math) I am on Prime 7

Hi all, I have a range z from 0 to 11,5m I've created function y(z)I want to extract the values of y(z) as an array and extract the array to Excel. Is it possible to extract the values as an array without converting z to a vector? Best regards,Anders  

Hi everyone,I am converting Mathcad 15 files to Prime and I encounter an issue that I can't debug. Its about a division between two vectors where the divisor has zeros in it. Prime shows the following error: This expression is divided by zero. It cannot be computed. While Mathcad 15 has no problem with this division. I attached an image to illustrate the problem. Regards, 

A hare from point 0 needs to cross a field with a length Δ and with two parallel straight edges as quickly as possible. The hare runs in a straight line perpendicular to the starting edge of the field and comes across the edge of a round section (point 1) where the hare can run faster (this round section of radius r is in the middle of the field). The hare changes direction of running, crosses a round section along a chord, runs out of it with a change of direction (point 2) and finishes along the shortest path (point 3). Determine the hare's running trajectory.  Why is the Snell's law fulfilled at point 2, but not at point 1? Where is my mistake or misunderstanding of physics (Fermat's principle)? See please the picture and the Prime 6 sheet in attach. See too The problem of cockroach races - PTC Community  

In my company, we use a library of files, which are included in our projects. These files can be for example datasheets of components, formulas out of toolboxes and so on. If we open a project file we encounter very often the problem that include files are marked red, meaning Mathcad reports an error with the file. The fact is, that there is no error in the file:We found a workaround for this, but this takes a lot of time. When you edit the path, you can force MathCad to reread the file and the error is gone. This has to be done for all marked files. Sometimes even this does not work. Then you have to open the corresponding file, recalculate and store it again.As we have include files, which include other files, this can get very very nasty. I reported this already more than 2 years ago, but no reaction. Now this problem got even worse. As the network path changed, MathCad hanged or got extremely slow (hours !), when opening a file with include file paths still on the old, not anymore

Question as per attached Prime 7Thanks 

Good morning, I would like to know if anyone knows why this event happens, it turned out that I was working in mathcad 6.0 and my computer turned off, once I started it again I tried to open mathcad to continue with my programming and the program never opened again, it only opens that green window and then closes.   Translated with DeepL TranslatorTranslated by Hedy Jin, Nov 26th, 2021 ---------------------------------------------------------------------------------------------- buenos dias, quisiera saber si alguien conoce por que sucede este evento, resultó que estaba trabajando en mathcad 6.0 y mi ordenador se apago, una vez lo inicie de nuevo intente abrir mathcad para continuar con mi programación y el programa nunca volvió abrir, solo abre esa ventana verde y luego se cierra    

Hi, I converted a Mathcad 15 file to Prime and most of the results are different. These differences are due to the way in which Mathcad 15 and Prime append vectors vertically (see image). The solution I found was to transpose the matrix in Prime (see AzD_(j,jw) in image). Unfortunately for this particular Mathcad 15 file, there are several matrices that have the same issue and I would have to transpose each one of them individually. I wonder if there is a way to automatically change all the matrices in Prime that have this issue. I tried changing the range of (j,jw) without success. P.S. I attached a Prime and Mathcad file exemplifying the issue. Thank you!

Hello everyone I have been a bit puzzled by the error I get when using find with vector variables. I have defined a triangle DEF in 2 dimensions. I am searching for the coordinates of a 4th point S such that the sum of vectors from S to the other points is a zero vector (weighed with parameters g and t). Unfortunately, find does not find a solution.I thought maybe it was due to a divide by zero error, but adding the constraint that the product of the norms must be strictly positive does not solve the problem. The initial guess is already fairly close to the solution, so I don't believe it is the issue.I have attached the mcdx file as well as a screenshot for convenience. Any idea of what is going wrong ?  François 

Hello, Right, mathcad and trig do not seem to be living a harmonious lifestyle. I ask why? I'm going through some fairly basic questions for an assignment for school and again on paper everything is rosy, but then mathcad is unconvinced. I am seeming unable to input the inverse trig functions in any form which I know (sin^-1, asin) and then as you can see in question 8 in the file attached the answer is absolutely wrong. What's the issue?! Is it me? Admittedly quite possible but I think I have tried all of the obvious approaches but I am likely wrong. thank you in advance for any help which you can offer me! Much MathCad love,Rowan 

Hello all, several days ago, I've updated my MathCad version to Prime 7.0.0.0.However, now I'm facing problems with my old scripts as it seems that the new version is not able to simplify as good as the old version. For example:   Obviously, the equation is 0 if test is a real number.Also, the equation was simplified to 0 in the old version. Even if I set test = 1, it is not simplified: Is there any possibility to improve this new behavior?Or is a different semantic required in the new version? Thanks in advance and best regards!

Apparently, https://www.poshenloh.com/quadraticdetail/ shows a 'new" way of solving quadratic equations.It is described as "computationally-efficient, .."  Math Genius Has Devised a Wildly Simple New Way to Solve Quadratic Equations (sciencealert.com)Does anyone know how to do timing tests in mathcad to check the difference in speeds in the "new" and the generally old method?  

Dear mathcad'ers,   I really need help.   I am trying to make an iteration process for an airlift reactor. The iteration procedure can be found in the word document, together with the mathcad file, below. However, I Mathcad isn't able to find the previous value of an parameter. How can I solve this?   Thanks for your expertise and help.   Tim

Hey, I would like to do the following in Mathcad Prime 7.0:So an index in an index. At the moment, whenever i press the index button in an index it sets me back up to normal but doesn't do another index.Is there a way to do it?Greetings